You will find that the brand NOVITA is on the relay, and that feels familiar and reassuring.
C.E.E. ITH 7111 Sensitive Zero Sequence Relay 24VDC H 401553 68002
The 40ISR model delivers a reassuring snap and consistent seating in most compatible sockets.
What stands out about this unit is the branding 935-2425-010-14, which stays legible after weeks on the shelf.